McKinney is a city in, and the county seat of, Collin County, Texas, United States. It is Collin County's third-largest city, after Plano and Frisco. A suburb of the Dallas–Fort Worth metroplex, McKinney is about 32 miles (51 km) north of Dallas.
Zip Codes in Mckinney, TX that we also serve: 75069 75070 75071 75072